Alright, let's work through 79975534 times 61813721 step by step
79975534 × 61813721 = 61813721 × (79975534)
+ 61813721 × 4 what gives us 247254884
+ 61813721 × 30 resulting in 1854411630
+ 61813721 × 500 yielding 30906860500
+ 61813721 × 5000 what gives us 309068605000
+ 61813721 × 70000 that results in 4326960470000
+ 61813721 × 900000 producing 55632348900000
+ 61813721 × 9000000 producing 556323489000000
+ 61813721 × 70000000 what gives us 4326960470000000

= 4943585345502014
